A follow-up on the hesperetin issue in modelling the first electrochemical oxidation potential and antioxidant activity of flavonoids
29 mar 2024
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Categoría del artículo: Letter to the Editor
Publicado en línea: 29 mar 2024
Páginas: 85 - 86
DOI: https://doi.org/10.2478/aiht-2024-75-3823
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© 2024 Ante Miličević, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1
![The dependence of experimental Ep1 (pH = 7) on
∑s(C)AOSPRad
\sum\limits_{{\rm{s}}({\rm{C}})} {{\rm{AOSP}}_{{\rm{Rad}}} }
, calculated using the PM6 method, for 14 flavonoids from (1). Empty circle represents
∑s(C)AOSPRad
\sum\limits_{{\rm{s}}({\rm{C}})} {{\rm{AOSP}}_{{\rm{Rad}}} }
of hesperetin calculated using methoxy group planar with the B ring plane [as in (1)]. When the methoxy group was set orthogonally to the B ring plane (filled circle), the
∑s(C)AOSPRad
\sum\limits_{{\rm{s}}({\rm{C}})} {{\rm{AOSP}}_{{\rm{Rad}}} }
of hesperetin fit the regression model, yielding R2=0.930, SE=0.053, and SEcv=0.069](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/660590071ae47050093cd9ef/j_aiht-2024-75-3823_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250925%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250925T213713Z&X-Amz-Expires=3600&X-Amz-Signature=87c26e97c90cce55a16aa3a4adc8865609aa219142c0c6155926f4ec42b25f5d&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 2
![The dependence of experimental relative AA mean on
∑s(C)AOSPRad
\sum\limits_{{\rm{s}}({\rm{C}})} {{\rm{AOSP}}_{{\rm{Rad}}} }
, calculated using the PM6 method for the set of 14 flavonoids from (1). Empty circle represents
∑s(C)AOSPRad
\sum\limits_{{\rm{s}}({\rm{C}})} {{\rm{AOSP}}_{{\rm{Rad}}} }
of hesperetin calculated using methoxy group planar with the B ring plane [as in (1)]. When the methoxy group was set orthogonally to the B ring plane (filled circle), the
∑s(C)AOSPRad
\sum\limits_{{\rm{s}}({\rm{C}})} {{\rm{AOSP}}_{{\rm{Rad}}} }
of hesperetin fit the regression model well, yielding R2=0.942, SE=0.059, and SEcv=0.073 (after exclusion of quercetin)](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/660590071ae47050093cd9ef/j_aiht-2024-75-3823_fig_002.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6AP2G7AKOUXAVR44%2F20250925%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20250925T213713Z&X-Amz-Expires=3600&X-Amz-Signature=14a62049d4c3ece8c3856330d0d9b9d6584ce8edd3879f49b2516934c5310cbc&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)